摘要
分析了各种类型简单故障条件下电流模故障分量在短路点和保护安装处的特征,根据双侧电源系统阻抗及分流系数变化,分析了线模分量与序阻抗及分布系数的可能变化,提出了利用电流模故障分量的选相元件,该元件在故障发生后可快速动作。通过仿真,验证了该方案的可行性。
Characteristics of component module fault currents in short-circuit point and the protection installation area with types of simple fault are analyzed .Variations of linear module component and sequence impedance are studied based on bilateral power supply system and different distribution coefficients .Phase selection element which can rapidly react is proposed via component module fault currents .This scheme is proved to be feasible through simulation .
出处
《中国农村水利水电》
北大核心
2014年第10期165-168,共4页
China Rural Water and Hydropower
基金
国家自然科学基金项目(51277135)
关键词
电流模故障分量
分流系数
序阻抗
选相元件
线模分量
component module fault current
distribution coefficient
sequence impedance
phase selection element
linear module component
